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  1. JDK
  2. JDK-8171452

(ch) linux io_util_md: Operation not supported exception after 8168628

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    • Subcomponent:
    • Resolved In Build:
      b152
    • OS:
      linux

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        Description

        After JDK-8168628, rmid stopped with "java.io.IOException: Operation not supported" in sun.rmi.log.ReliableLog.

        The exception was due to the newly added call to fallocate.

        The linux man pages say [1]:

        EOPNOTSUPP
        The filesystem containing the file referred to by fd does not
        support this operation; or the mode is not supported by the
        filesystem containing the file referred to by fd.

        Seems like the problem only occurs with certain file systems (e.g. NFS mounts).
        I guess they still need to be supported and a fallback path is needed.

        [1] http://man7.org/linux/man-pages/man2/fallocate.2.html

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                • Assignee:
                  bpb Brian Burkhalter
                  Reporter:
                  mdoerr Martin Doerr
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                  • Created:
                    Updated:
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